From e31365e9fac38e658b558d074c9a9af99acd699b Mon Sep 17 00:00:00 2001 From: Pavel Skripkin Date: Mon, 7 Jun 2021 21:46:23 +0300 Subject: [PATCH] revert "net: kcm: fix memory leak in kcm_sendmsg" In commit 95e8811f37df ("net: kcm: fix memory leak in kcm_sendmsg") I misunderstood the root case of the memory leak and came up with completely broken fix. So, simply revert this commit to avoid GPF reported by syzbot. Im so sorry for this situation. Fixes: 95e8811f37df ("net: kcm: fix memory leak in kcm_sendmsg") Reported-by: syzbot+65badd5e74ec62cb67dc@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin Signed-off-by: David S. Miller --- net/kcm/kcmsock.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 1c572c8daced0..6201965bd822f 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1066,11 +1066,6 @@ out_error: goto partial_message; } - if (skb_has_frag_list(head)) { - kfree_skb_list(skb_shinfo(head)->frag_list); - skb_shinfo(head)->frag_list = NULL; - } - if (head != kcm->seq_skb) kfree_skb(head); -- 2.39.5